In chess, what does the word "sharp" mean?

Question

In the context of chess, what does having a "sharp position" or "sharp opening" or "sharp move" mean?

Answer 1

sharp?

checkmate.

Like Qxa1#

Answer 2

Positions as listed on http://www2.eng.cam.ac.uk/~tpl/chess/ann...

Unclear position - a position where few obvious moves are good.

Drawish position - a position where all the possible paths consisting of obvious moves lead to a draw.

Wild position - ???

Solid position - ???

Tactical position - ???

Strategic position - a position where there are several similarly-good moves

Complicated position - a position where some of the obvious moves are good and some bad.

Sharp position - a position with traps and few good moves.

Answer 3

good move

Answer 4

Highly tactical.  

Good but it is like putting a knife in the room you are fighting in.  The other guy will try to get it too.

Answer 5

a great move: like a discovered check or a really good skewer or pin. Moves that are hard to find and are smart moves that will help the player in the game.